MQ-4 Natural Gas Methane Sensor Module

Specifications:

MQ-4 natural gas, methane sensor module

Second, the main chip: LM393, MQ - 4 gas sensors

Three, working voltage: DC3-5 v

Four, features:

1, a signal output instructions;

2, two-way signal output (TTL level output and analog output);

3, TTL output signal for low level effectively, can be directly by single chip microcomputer;               

4, analog 0 ~ 5 v voltage, the higher the concentration, the higher the voltage;

5, to the methane gas, natural gas has good sensitivity;

In June and has long service life and reliable stability;

7, rapid response recovery features;

Five, the application:

Suitable for family or factory of methane gas, natural gas and other monitoring devices, can test gas, methane, 300 to 10000 PPM.